Log error when multiple existing palaute is found

Log error instead of raising assertion error

src/oph/ehoks/palaute/opiskelija.clj

@@ -68,7 +68,14 @@
          (log/spyf :info "existing-heratteet!: before rk filtering: %s")
          (filterv #(= rahoituskausi (palaute/rahoituskausi (:heratepvm %))))
          (log/spyf :info "existing-heratteet!: after rk filtering: %s")
-         (utils/assert-pred #(contains? #{0 1} (count %)))
+         ((fn [existing-palautteet]
+            (when (> (count existing-palautteet) 1)
+              (log/errorf (str "Found more than one existing herate for "
+                               "`%s` of HOKS `%d` in rahoituskausi `%s`.")
+                          kysely-type
+                          (:id hoks)
+                          rahoituskausi))
+            existing-palautteet))
          first)))
 
 (defn build!

src/oph/ehoks/utils.clj

@@ -1,22 +1,12 @@
 (ns oph.ehoks.utils
-  (:require [clojure.string :as string]
-            [medley.core :refer [dissoc-in map-keys]])
-  (:import (java.text Normalizer Normalizer$Form)))
+  (:require [medley.core :refer [dissoc-in map-keys]]))
 
 (defn apply-when
   "Apply function `f` to value `v` if predicate `(pred v)` returns `true`.
   Otherwise returns value `v` unchanged. Useful when used in a threading macro."
   [v pred f]
   (if (pred v) (f v) v))
 
-(defn assert-pred
-  "Takes a predicate `pred` and a value `v` that is given to the predicate.
-  Asserts that `(pred v)` returns `true` and then returns `v`. Useful when used
-  in a threading macro."
-  [pred v]
-  (assert (pred v))
-  v)
-
 (defn to-underscore-str
   [kw]
   (.replace (name kw) \- \_))